I know i am tangentialising with this question, but … WHY do some users wish to use Private Window / private browsing / Incognito Window?

I read this, https://en.wikipedia.org/wiki/Privacy_mode , & it gave me the rather strong feeling that anyone using this browsing mode in the belief that it really is "private", might be clinging to a false hope. Hence, i am curious.

I know i am tangentialising with this question, but … WHY do some users wish to use Private Window / private browsing / Incognito Window?

I read this, https://en.wikipedia.org/wiki/Privacy_mode , & it gave me the rather strong feeling that anyone using this browsing mode in the belief that it really is "private", might be clinging to a false hope. Hence, i am curious.

It's purely local, ie your housemates/family/others using that computer/browser will not see what you've done.